Activating and deactivating alarms*
The alarm is activated when the car is locked, and is deactivated when the car is unlocked. It is also possible to deactivate the alarm without a working key.
Activating and deactivating alarms
The alarm is activated when the car is locked, and is deactivated when the car is unlocked.
Note
It is not possible to lock the car without activating the alarm. If the car is parked on a ferry, for example, the function for reduced alarm level should be used instead.
Deactivate the alarm without a functioning key
The car can be unlocked and disarmed even if the key does not work, e.g. if its battery is dead.
Open the driver's door with the detachable key blade.
The alarm is triggered.
![P6-1746-XC40- Backup start place in tunnel console](https://www.volvocars.com/images/support/img1c24c668b0552e65c0a8015261c05534_1_--_--_VOICEpnghigh.png?imwidth=1280)
Place the key on the key symbol in the backup reader in the tunnel console's storage compartment.
Depress the brake pedal and select a gear.
The alarm is deactivated.
Note
When the key shall be read by the back-up reader, make sure that the storage compartment is separate from other nearby car keys, metal objects and electronics (e.g. mobile phones, tablets, laptops or chargers). These objects may disrupt the functions.
Switching off a triggered alarm
Press the key's unlock button or depress the brake pedal and select a gear.